EP4249662A1 - High-temperature steaming method, computer-readable storage medium and control apparatus - Google Patents

High-temperature steaming method, computer-readable storage medium and control apparatus Download PDF

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Publication number
EP4249662A1
EP4249662A1 EP21874629.5A EP21874629A EP4249662A1 EP 4249662 A1 EP4249662 A1 EP 4249662A1 EP 21874629 A EP21874629 A EP 21874629A EP 4249662 A1 EP4249662 A1 EP 4249662A1
Authority
EP
European Patent Office
Prior art keywords
temperature
washing
cylinder
washing cylinder
washing water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21874629.5A
Other languages
German (de)
English (en)
French (fr)
Inventor
Kai Liu
Sheng Xu
Zhiqiang Zhao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Drum Washing Machine Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Drum Washing Machine Co Ltd
Haier Smart Home Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Drum Washing Machine Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Drum Washing Machine Co Ltd
Publication of EP4249662A1 publication Critical patent/EP4249662A1/en
Pending legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F31/00—Washing installations comprising an assembly of several washing machines or washing units, e.g. continuous flow assemblies
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/04—Signal transfer or data transmission arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/22—Condition of the washing liquid, e.g. turbidity
    • D06F34/24—Liquid temperature
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/16—Washing liquid temperature
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/28—Electric heating
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/32—Air flow control means
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/40—Steam generating arrangements

Definitions

  • the present disclosure belongs to the technical field of clothing treatment apparatus, and specifically relates to a high-temperature steaming method, a computer-readable storage medium, and a control device.
  • washing machines are provided with two washing cylinders, both of which can hold washing water and objects to be washed to achieve the purpose of dual-cylinder washing.
  • the washing machine has the function of high-temperature steaming and disinfection
  • the washing water in the two washing cylinders of the washing machine is usually heated to a higher temperature to achieve the purpose of steaming and disinfecting the objects to be washed.
  • both washing cylinders need to execute the high-temperature steaming program, in order to prevent a working power of the washing machine from being too large, which will make it difficult to adapt to safety current limiting conditions of most users' homes, the washing water in the two washing cylinders is usually heated in turn for high-temperature steaming.
  • the dual-cylinder washing machine will spray a large amount of water vapor for a long time when executing the high-temperature steaming program, which can very easily cause damage to walls, furniture and other household apparatuses at a position where the dual-cylinder washing machine is placed in the user's home due to long-time exposure to moisture.
  • an arrangement space of the dual-cylinder washing machine is relatively closed, a large amount of water vapor will also reduce a visibility of the arrangement space, thus reducing the visibility for users in the arrangement space, which poses a hidden safety hazard.
  • the present disclosure provides a high-temperature steaming method for a dual-cylinder washing machine;
  • the dual-cylinder washing machine includes a first washing cylinder, a second washing cylinder, a three-way valve, an air duct, and a heating device capable of heating washing water in the first washing cylinder and the second washing cylinder;
  • the first washing cylinder and the second washing cylinder are respectively communicated with the air duct through the three-way valve;
  • the high-temperature steaming method includes: heating the first washing cylinder using the heating device, and making the three-way valve block a valve port communicating with the first washing cylinder; obtaining a washing water temperature of the first washing cylinder; when the washing water temperature of the first washing cylinder reaches a first steaming temperature, stopping the heating device from heating the first washing cylinder, and heating the second washing cylinder using the
  • the high-temperature steaming method further includes: if the washing water cooling temperature of the first washing cylinder is higher than the preset temperature and the washing water temperature of the second washing cylinder is within a set temperature range, then temporarily stopping the heating device from heating the second washing cylinder; obtaining the washing water cooling temperature of the first washing cylinder again; and in a case where the washing water cooling temperature of the first washing cylinder decreases to the preset temperature, continuing to heat the second washing cylinder using the heating device, where a largest temperature value in the set temperature range is smaller than or equal to the preset temperature.
  • the preset temperature is any temperature between 50°C and 60°C.
  • the set temperature range is 40°C to 50°C.
  • the high-temperature steaming method further includes: in a case where the washing water cooling temperature of the first washing cylinder is higher than the preset temperature and the washing water temperature of the second washing cylinder increases to the preset temperature, if the washing water cooling temperature of the first washing cylinder decreases to be lower than or equal to the washing water temperature of the second washing cylinder, then making the three-way valve switch the valve position and block the valve port communicating with the second washing cylinder.
  • the step of "making the three-way valve block a valve port communicating with the first washing cylinder” includes: in a case where the washing water of the first washing cylinder is heated by the heating device and the valve port communicating with the second washing cylinder is blocked by the three-way valve, if the washing water temperature of the first washing cylinder reaches the preset temperature, then making the three-way valve block the valve port communicating with the first washing cylinder; and in a case where the washing water of the first washing cylinder is heated by the heating device and the valve port communicating with the first washing cylinder is blocked by the three-way valve, making the three-way valve maintain the state of blocking the valve port communicating with the first washing cylinder.
  • the first steaming temperature is higher than 90°C.
  • the second steaming temperature is equal to the first steaming temperature.
  • the present disclosure also provides a computer-readable storage medium on which a plurality of program codes are stored, and the program codes are suitable for being loaded and run by a processor to execute any of the above high-temperature steaming methods.
  • the present disclosure also provides a control device which includes a processor and a storage device; the storage device is suitable for storing a plurality of program codes, and the program codes are suitable for being loaded and run by the processor to execute any of the above high-temperature steaming methods.
  • the present disclosure provides a high-temperature steaming method for a dual-cylinder washing machine, which aims to reduce the overall amount of steam escaping from the dual-cylinder washing machine when both washing cylinders are performing the high-temperature steaming program, and eliminate the adverse effects of the steam escaping from the dual-cylinder washing machine on the decoration environment and visual environment of users' homes.
  • FIG. 1 is a schematic view of an internal structure of a dual-cylinder washing machine of the present disclosure.
  • the dual-cylinder washing machine of the present disclosure includes a shell, as well as a first washing cylinder 1, a second washing cylinder 2, a three-way valve 3, an air duct 4 and a heating device (not shown in the figure) that are arranged inside the shell.
  • a fan 5 is arranged inside the air duct 4, and an air outlet of the air duct 4 is communicated with a valve port of the three-way valve 3 for air inflow.
  • a first valve port of the three-way valve 3 for air outflow is communicated with the first washing cylinder 1 (hereinafter, the valve port of the three-way valve 3 that is communicated with the first washing cylinder 1 is collectively referred to as the first valve port), and a second valve port of the three-way valve 3 for air outflow is communicated with the second washing cylinder 2 (hereinafter, the valve port of the three-way valve 3 that is communicated with the second washing cylinder 2 is collectively referred to as the second valve port).
  • a valve spool of the three-way valve 3 can switch between a blocking position of the first valve port and a blocking position of the second valve port, so that an airflow in the air duct 4 can selectively enter the first washing cylinder 1 and the second washing cylinder 2 for ventilation or drying.
  • the heating device includes a first heating unit capable of heating washing water in the first washing cylinder 1 and a second heating unit capable of heating washing water in the second washing cylinder 2.
  • the above-mentioned three-way valve 3 is any valve device that can selectively block any of the first valve port and the second valve port, such as a wax motor three-way valve.
  • the first heating unit and the second heating unit mentioned above can be any type of heating apparatus that can meet the heating needs of washing water.
  • the first heating unit includes a heating module and a temperature control module, the heating module achieves the purpose of heating the washing water in the first washing cylinder 1, and the temperature control module can at least control the heating module to be turned off when the washing water in the first washing cylinder 1 is heated to an expected temperature.
  • a basic structure of the second heating unit is the same as that of the first heating unit, but considering that the first washing cylinder 1 and the second washing cylinder 2 do not need to be heated simultaneously, the temperature control module of the second heating unit and the temperature control module of the first heating unit are preferably configured into one piece.
  • the first heating unit or the second heating unit can heat the water in the first washing cylinder 1 or the second washing cylinder 2 by heating the first washing cylinder 1 or the second washing cylinder 2;
  • the heating module of the first heating unit or the second heating unit can be an electromagnetic heating device, and at least part of the structure of the first washing cylinder 1 or the second washing cylinder 2 is made of a metal material, so that a cylinder body of the first washing cylinder 1 or the second washing cylinder 2 can be subjected to a magnetic field generated by the electromagnetic heating device, thus generating an eddy current effect and producing heat, and transferring the heating energy to the water in the first washing cylinder 1 or the second washing cylinder 2, thereby achieving the effect of heating the washing water.
  • the first heating unit or the second heating unit can protrude into the first washing cylinder 1 or the second washing cylinder 2 in a way that does not affect the rotation of the first washing cylinder 1 or the second washing cylinder 2 so as to heat the washing water in the first washing cylinder 1 or the second washing cylinder 2;
  • the heating module of the first heating unit or the second heating unit is an electric wire heating device that protrudes into the interior of the first washing cylinder 1 or the second washing cylinder 2 in a way that does not affect the rotation of the first washing cylinder 1 or the second washing cylinder 2, so that the electric wire heating device directly enters the washing water in the first washing cylinder 1 or the second washing cylinder 2 and heats the washing water.
  • the specific structures and arrangement positions of the first heating unit and the second heating unit can be the same or different, as long as the first heating unit and the second heating unit can meet the washing water heating needs of the first washing cylinder 1 and the second washing cylinder 2 correspondingly.
  • FIG. 2 is a flowchart illustrating steps of the high-temperature steaming method for the dual-cylinder washing machine of the present disclosure.
  • the high-temperature steaming method for the dual-cylinder washing machine of the present disclosure includes:
  • the "washing water temperature of the first washing cylinder 1" is the temperature of the washing water in the first washing cylinder 1 when being heated
  • the “washing water temperature of the second washing cylinder 2” is the temperature of the washing water in the second washing cylinder 2 when being heated.
  • the “first steaming temperature” is a highest temperature to which the washing water inside the first washing cylinder 1 can increase after being heated during the high-temperature steaming program
  • the “second steaming temperature” is a highest temperature to which the washing water inside the second washing cylinder 2 can increase after being heated during the high-temperature steaming program.
  • the set values of the first steaming temperature and the second steaming temperature can be the same or different.
  • the first steaming temperature is a temperature value larger than 90°C
  • the second steaming temperature is the same as the first steaming temperature.
  • the first steaming temperature and the second steaming temperature are both 95°C.
  • the first heating unit stops working when the washing water in the first washing cylinder 1 is heated to 95°C, and at the same time, the second heating unit starts heating the washing water in the second washing cylinder 2 until the washing water in the second washing cylinder 2 is heated to 95°C, thus completing the heating work in the high-temperature steaming program.
  • the "washing water cooling temperature of the first washing cylinder 1" is the temperature of the washing water in a cooling process of the first washing cylinder 1 after heating is completed.
  • the “preset temperature” is an expected reduced temperature value set for the washing water cooling temperature of the first washing cylinder 1.
  • the above preset temperature is any temperature value between 50°C and 60°C (including 50°C and 60°C), such as 60°C.
  • the temperature parameters required to be obtained can all be obtained through temperature acquisition devices such as temperature sensors arranged inside the corresponding washing cylinders.
  • the time when the washing water in the first washing cylinder 1 decreases to the preset temperature can be used as the timing for the three-way valve 3 to switch the blocking position of the valve spool, so that when the washing water temperature of the first washing cylinder 1 is relatively high and there is a large amount of steam generated, the steam escaping from the washing cylinder is blocked, thus preventing a large amount of steam from escaping from the first washing cylinder 1 to the outside of the dual-cylinder washing machine; and when the washing water temperature of the first washing cylinder 1 decreases and the amount of steam generated is low so that it is almost impossible for the steam to escape to the outside of the dual-cylinder washing machine, a valve spool position switch operation of the three-way valve 3 is performed so that the second valve port is blocked by the valve spool; in this way, before the washing water temperature of the second washing cylinder 2 rises to a higher temperature and the amount of steam generated increases sharply, the channel of the washing cylinder from which the steam can escape is blocked.
  • a temperature rising rate of the washing water in the second washing cylinder 2 can be controlled by adjusting a heating power for the washing water in the second washing cylinder 2.
  • an output power of the second heating unit can be appropriately increased or decreased according to a decreasing rate of the washing water cooling temperature of the first washing cylinder 1, thereby increasing or decreasing an increasing rate of the washing water temperature of the second washing cylinder 2, so that when the washing water cooling temperature of the first washing cylinder 1 decreases to the preset temperature, the washing water in the second washing cylinder 2 is controlled to be heated to a temperature not exceeding the preset temperature.
  • the washing water temperature of the second washing cylinder 2 just increases to the preset temperature, which can not only ensure an overall heating efficiency of the first washing cylinder 1 and the second washing cylinder 2, but also can control the three-way valve 3 to timely switch the valve spool from the first valve port to the second valve port when there is no steam obviously escaping from the washing water in the first washing cylinder 1 and a large amount of steam is about to escape from the washing water in the second washing cylinder 2, so that the valve ports corresponding to each washing cylinder can be in a closed state when a large amount of steam is generated in both washing cylinders, thus effectively reducing the overall amount of escaping steam.
  • those skilled in the art can also estimate or control the temperature rising rate of the washing water in the second washing cylinder 2 based on the volume of the washing water in the second washing cylinder 2.
  • the high-temperature steaming method for the dual-cylinder washing machine of the present disclosure further includes:
  • the temperature values within the set temperature range are all close to and smaller than the preset temperature.
  • the washing water cooling temperature of the first washing cylinder 1 decreases to the preset temperature
  • the washing water temperature of the second washing cylinder 2 increases to be within the set temperature range, by controlling the second heating unit to stop working temporarily, the washing water temperature of the second washing cylinder 2 can be temporarily stopped from continuing to rise, so as to prevent a large amount of steam from beginning to escape from the second washing cylinder 2 to the outside before the three-way valve 3 switches the valve spool to the blocking position of the second valve port.
  • the three-way valve 3 controls the valve spool to block the second valve port; at this time, the second heating unit continues to heat the washing water in the second washing cylinder 2.
  • the above set temperature range is preferably 40°C to 50°C.
  • the high-temperature steaming method for the dual-cylinder washing machine of the present disclosure further includes: in a case where the washing water cooling temperature of the first washing cylinder 1 is higher than the preset temperature and the washing water temperature of the second washing cylinder 2 increases to the preset temperature, if the washing water cooling temperature of the first washing cylinder 1 decreases to be lower than or equal to the washing water temperature of the second washing cylinder 2, then making the three-way valve 3 switch the valve position and block the valve port communicating with the second washing cylinder 2.
  • the three-way valve 3 is directly controlled to switch the valve spool from the blocking position of the first valve port to the blocking position of the second valve port, thereby blocking the second washing cylinder 2 from which more steam can escape. If the washing water cooling temperature of the first washing cylinder 1 is higher than the washing water temperature of the second washing cylinder 2, then the state in which the three-way valve 3 blocks the first valve port is maintained, thereby blocking the first washing cylinder 1 from which more steam can escape.
  • the step of "making the three-way valve 3 block the first valve port” includes:
  • the time when the washing water temperature of the first washing cylinder 1 reaches the preset temperature is only the latest timing for the three-way valve 3 to switch the blocking position of the valve spool to the first valve port.
  • the three-way valve 3 can also switch the valve spool to the position of blocking the first valve port at any time.
  • the present disclosure also provides a computer-readable storage medium.
  • the computer-readable storage medium can be configured to store a program for executing the high-temperature steaming method for a dual-cylinder washing machine according to the above method embodiment, and the program can be loaded and run by a processor to implement the above high-temperature steaming method.
  • the computer-readable storage medium can be a storage medium formed by various electronic devices; optionally, the storage medium in the embodiments of the present disclosure is a non-temporary computer-readable storage medium.
  • the present disclosure also provides a control device.
  • the control device includes a processor and a storage device; the storage device can be configured to store a program for executing the high-temperature steaming method for a dual-cylinder washing machine according to the above method embodiment, the processor can be configured to execute the program in the storage device, and the program includes but is not limited to a program for executing the high-temperature steaming method according to the above method embodiment.
  • the control device may be a control device including various electronic devices.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)
EP21874629.5A 2020-12-25 2021-12-01 High-temperature steaming method, computer-readable storage medium and control apparatus Pending EP4249662A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011561879.9A CN114687113B (zh) 2020-12-25 2020-12-25 高温蒸煮方法、计算机可读存储介质及控制装置
PCT/CN2021/134685 WO2022068975A1 (zh) 2020-12-25 2021-12-01 高温蒸煮方法、计算机可读存储介质及控制装置

Publications (1)

Publication Number Publication Date
EP4249662A1 true EP4249662A1 (en) 2023-09-27

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ID=80949711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21874629.5A Pending EP4249662A1 (en) 2020-12-25 2021-12-01 High-temperature steaming method, computer-readable storage medium and control apparatus

Country Status (5)

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US (1) US20240003070A1 (zh)
EP (1) EP4249662A1 (zh)
JP (1) JP2024500915A (zh)
CN (1) CN114687113B (zh)
WO (1) WO2022068975A1 (zh)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005130956A (ja) * 2003-10-29 2005-05-26 Sharp Corp 衣類乾燥機および衣類洗濯乾燥機
KR101022226B1 (ko) * 2004-01-06 2011-03-17 삼성전자주식회사 세탁기 및 그 제어방법
KR100774167B1 (ko) * 2004-05-31 2007-11-07 엘지전자 주식회사 세탁 장치 및 이를 이용한 세탁 방법
KR100698215B1 (ko) * 2005-05-31 2007-03-22 엘지전자 주식회사 세탁 방법
CN105734892B (zh) * 2014-12-12 2019-02-05 青岛海尔滚筒洗衣机有限公司 一种多筒洗衣机补水控制方法
CN105734893B (zh) * 2014-12-12 2019-04-05 青岛海尔滚筒洗衣机有限公司 一种双滚筒洗衣机控制方法
CN105734915B (zh) * 2014-12-12 2019-02-05 青岛海尔滚筒洗衣机有限公司 一种多滚筒洗衣机加热控制方法
CN208250679U (zh) * 2018-05-03 2018-12-18 无锡小天鹅股份有限公司 筒体组件及衣物处理装置
CN208250731U (zh) * 2018-05-03 2018-12-18 无锡小天鹅股份有限公司 筒体组件及衣物处理装置
CN208250734U (zh) * 2018-05-03 2018-12-18 无锡小天鹅股份有限公司 筒体组件及衣物处理装置
CN109537238A (zh) * 2018-11-15 2019-03-29 慈溪市顺达实业有限公司 一种壁挂式洗衣机及蒸汽洗涤方法
CN111534968A (zh) * 2020-06-05 2020-08-14 沈阳亮蓝特智能科技有限公司 一种带有干湿两用加温系统的壁挂式洗涤机

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CN114687113A (zh) 2022-07-01
JP2024500915A (ja) 2024-01-10
WO2022068975A1 (zh) 2022-04-07
US20240003070A1 (en) 2024-01-04
CN114687113B (zh) 2023-09-12

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